<h6 md-dialog-title>Comments by {{inputComment.createdBy.firstName}} {{inputComment.createdBy.lastName}}</h6> 
<md-dialog-content>{{inputComment.message}}</md-dialog-content>
<md-dialog-actions>
  <button md-button [md-dialog-close]="true" class="mdl-button mdl-js-button mdl-button--raised mdl-js-ripple-effect mdl-button--accent">Close</button>
</md-dialog-actions>